Abelian variety isogeny class 2.89.s_jt over $\F_{89}$

• Label: 2.89.s_jt
• Base field: $\F_{89}$
• Dimension: $2$
• $p$-rank: $2$
• Ordinary: yes
• Supersingular: no
• Simple: yes
• Geometrically simple: yes
• Primitive: yes
• Principally polarizable: yes
• Contains a Jacobian: yes

Invariants

Base field:	$\F_{89}$
Dimension:	$2$
L-polynomial:	$1 + 18 x + 253 x^{2} + 1602 x^{3} + 7921 x^{4}$
Frobenius angles:	$\pm0.612859471990$, $\pm0.707555818666$
Angle rank:	$2$ (numerical)
Number field:	4.0.40560192.1
Galois group:	$D_{4}$
Jacobians:	$76$

This isogeny class is simple and geometrically simple, primitive, ordinary, and not supersingular. It is principally polarizable and contains a Jacobian.

Newton polygon

This isogeny class is ordinary.

$p$-rank:	$2$
Slopes:	$[0, 0, 1, 1]$

Point counts

Point counts of the abelian variety

$r$	$1$	$2$	$3$	$4$	$5$
$A(\F_{q^r})$	$9795$	$64206225$	$494853155820$	$3937293744690825$	$31182438707507570475$

Point counts of the curve

$r$	$1$	$2$	$3$	$4$	$5$	$6$	$7$	$8$	$9$	$10$
$C(\F_{q^r})$	$108$	$8104$	$701946$	$62753476$	$5584188168$	$496979534662$	$44231339899512$	$3936588864783556$	$350356403172028554$	$31181719930552063624$

Jacobians and polarizations

This isogeny class is principally polarizable and contains the Jacobians of 76 curves (of which all are hyperelliptic):

• $y^2=18 x^6+19 x^5+86 x^4+86 x^3+51 x^2+3 x+44$
• $y^2=73 x^6+20 x^5+79 x^4+39 x^3+35 x^2+27 x+85$
• $y^2=47 x^6+43 x^5+82 x^4+2 x^3+55 x^2+51 x+53$
• $y^2=68 x^6+60 x^5+83 x^4+48 x^3+7 x^2+x+36$
• $y^2=84 x^6+75 x^5+17 x^4+25 x^3+33 x^2+72 x+11$
• $y^2=31 x^6+73 x^5+69 x^4+69 x^3+85 x^2+85 x+84$
• $y^2=x^6+84 x^5+77 x^4+44 x^3+54 x^2+63 x+26$
• $y^2=24 x^6+80 x^5+26 x^4+28 x^3+67 x^2+2 x+66$
• $y^2=62 x^6+20 x^5+84 x^4+6 x^3+65 x^2+19 x+44$
• $y^2=69 x^6+23 x^5+62 x^4+48 x^3+30 x^2+2 x+78$
• $y^2=52 x^6+39 x^5+52 x^4+43 x^3+24 x^2+8 x+5$
• $y^2=18 x^6+59 x^5+81 x^4+14 x^3+12 x^2+67 x+39$
• $y^2=70 x^6+19 x^5+57 x^4+6 x^3+55 x^2+23 x+4$
• $y^2=10 x^6+45 x^5+35 x^4+22 x^3+63 x^2+72 x+5$
• $y^2=52 x^6+78 x^5+13 x^4+76 x^3+2 x^2+74 x+41$
• $y^2=72 x^6+71 x^5+22 x^4+37 x^3+87 x^2+53 x+46$
• $y^2=40 x^6+34 x^5+31 x^4+44 x^3+21 x^2+7 x+33$
• $y^2=83 x^6+70 x^5+75 x^4+78 x^3+58 x^2+50 x+72$
• $y^2=62 x^6+51 x^5+72 x^4+88 x^3+86 x^2+67 x+88$
• $y^2=58 x^6+40 x^5+11 x^4+14 x^3+69 x^2+58 x+15$
• and

• $y^2=29 x^6+47 x^5+8 x^4+38 x^3+37 x^2+45 x+38$
• $y^2=4 x^6+58 x^5+72 x^4+44 x^3+56 x^2+18 x+61$
• $y^2=55 x^6+17 x^5+44 x^4+33 x^3+35 x^2+35 x+85$
• $y^2=53 x^6+29 x^5+41 x^4+63 x^3+12 x^2+55 x+59$
• $y^2=2 x^6+19 x^5+73 x^4+44 x^3+44 x^2+20 x+55$
• $y^2=5 x^6+60 x^5+52 x^4+75 x^3+47 x^2+85 x+77$
• $y^2=17 x^6+39 x^5+64 x^4+69 x^3+61 x^2+38 x+21$
• $y^2=48 x^6+83 x^5+36 x^4+8 x^3+88 x^2+88 x+45$
• $y^2=5 x^6+63 x^5+38 x^4+4 x^3+15 x^2+55 x+56$
• $y^2=63 x^6+3 x^5+77 x^4+15 x^3+77 x^2+76 x+80$
• $y^2=29 x^6+72 x^5+56 x^4+8 x^3+76 x^2+2 x+50$
• $y^2=88 x^6+66 x^5+45 x^4+23 x^3+13 x^2+16 x+58$
• $y^2=81 x^6+52 x^5+37 x^4+72 x^3+87 x^2+19 x+7$
• $y^2=36 x^6+59 x^5+78 x^4+62 x^3+63 x^2+6 x+41$
• $y^2=16 x^6+49 x^4+22 x^3+59 x^2+63 x+14$
• $y^2=87 x^6+65 x^5+21 x^4+7 x^3+13 x^2+78 x+9$
• $y^2=71 x^6+11 x^5+7 x^4+53 x^3+79 x^2+54 x+60$
• $y^2=85 x^6+29 x^5+30 x^4+63 x^3+70 x^2+8 x+75$
• $y^2=24 x^6+16 x^5+79 x^4+53 x^3+77 x^2+78 x+22$
• $y^2=39 x^6+65 x^5+43 x^4+31 x^3+30 x^2+9 x+61$
• $y^2=28 x^6+20 x^5+54 x^4+55 x^3+50 x^2+x+60$
• $y^2=45 x^6+85 x^5+56 x^4+78 x^3+79 x^2+36 x+37$
• $y^2=29 x^6+24 x^5+61 x^4+30 x^3+84 x^2+10 x+27$
• $y^2=83 x^6+65 x^5+x^4+87 x^3+16 x^2+83 x+24$
• $y^2=8 x^6+32 x^5+14 x^4+29 x^3+24 x^2+36 x+43$
• $y^2=11 x^6+40 x^5+46 x^4+38 x^3+40 x^2+4 x+21$
• $y^2=64 x^6+3 x^5+43 x^4+20 x^3+81 x^2+27 x+37$
• $y^2=80 x^6+8 x^5+21 x^4+27 x^3+30 x^2+10 x+67$
• $y^2=72 x^6+26 x^5+15 x^4+29 x^3+54 x^2+81 x+76$
• $y^2=48 x^6+48 x^5+80 x^4+35 x^3+75 x^2+x+49$
• $y^2=20 x^6+64 x^5+85 x^4+23 x^3+48 x^2+36 x+54$
• $y^2=52 x^6+45 x^5+45 x^4+32 x^3+6 x^2+52 x+82$
• $y^2=x^6+36 x^5+82 x^4+10 x^3+54 x^2+82 x+88$
• $y^2=51 x^6+43 x^5+24 x^4+52 x^3+59 x^2+2 x+34$
• $y^2=11 x^6+67 x^5+51 x^4+76 x^3+29 x^2+87 x+26$
• $y^2=45 x^6+45 x^5+23 x^4+64 x^3+79 x^2+66 x+7$
• $y^2=85 x^6+41 x^5+7 x^4+72 x^3+18 x^2+87 x+82$
• $y^2=67 x^6+63 x^5+84 x^4+77 x^3+68 x^2+64 x+15$
• $y^2=71 x^6+14 x^5+76 x^4+72 x^3+22 x^2+63 x+22$
• $y^2=50 x^6+25 x^5+23 x^4+27 x^3+45 x^2+12 x+52$
• $y^2=50 x^6+62 x^5+56 x^4+51 x^3+59 x^2+25 x+9$
• $y^2=34 x^6+24 x^5+75 x^4+44 x^3+35 x^2+33 x+81$
• $y^2=86 x^6+6 x^5+42 x^4+56 x^3+6 x^2+42 x+25$
• $y^2=20 x^6+45 x^5+24 x^4+5 x^3+12 x^2+64 x+20$
• $y^2=39 x^6+28 x^5+83 x^4+49 x^3+83 x^2+28 x+25$
• $y^2=27 x^6+83 x^5+76 x^4+44 x^3+82 x^2+61 x+19$
• $y^2=32 x^6+16 x^5+58 x^4+34 x^3+50 x^2+52 x+2$
• $y^2=16 x^6+66 x^5+58 x^4+80 x^3+25 x^2+11 x+25$
• $y^2=77 x^6+11 x^4+57 x^3+75 x^2+23 x+54$
• $y^2=14 x^6+28 x^5+62 x^4+78 x^3+71 x^2+47 x+34$
• $y^2=17 x^6+19 x^5+78 x^4+50 x^3+68 x^2+58 x+71$
• $y^2=84 x^6+62 x^5+26 x^4+78 x^3+20 x^2+77 x+38$
• $y^2=57 x^6+40 x^5+25 x^4+59 x^3+71 x^2+16 x+17$
• $y^2=69 x^6+76 x^5+18 x^4+71 x^3+14 x^2+37$
• $y^2=42 x^6+48 x^5+65 x^4+51 x^3+x^2+59 x+25$
• $y^2=85 x^6+78 x^5+63 x^4+42 x^3+37 x^2+38 x+18$

Decomposition and endomorphism algebra

All geometric endomorphisms are defined over $\F_{89}$.

Endomorphism algebra over $\F_{89}$

The endomorphism algebra of this simple isogeny class is 4.0.40560192.1.

Base change

This is a primitive isogeny class.

Twists

Below is a list of all twists of this isogeny class.

Twist	Extension degree	Common base change
2.89.as_jt	$2$	(not in LMFDB)